ground clearance SUZUKI SX4 2006 1.G Service Owner's Manual
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Page 1066 of 1556
Downloaded from www.Manualslib.com manuals search engine 8B-27 Air Bag System:
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1017: Power Supply Voltage too LowS6RW0D8204013
Wiring Diagram
Refer to “DTC B1016: Power Supply Voltage too High”.
DTC Detecting Condition and Trouble AreaStep Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2SDM power supply voltage check
1) With ignition switch turned OFF, disconnect SDM
connector “L04”.
2) Check for proper connection to SDM at “L04-27”
terminal.
3) If OK, run engine with more than 3000 rpm.
4) In this state, check voltage between “L04-27” terminal on
SDM connector and body ground.
Special tool
(A): 09932–76010
Is measured voltage 15 V or less?Go to Step 3. Check charging system
and repair as necessary
referring to “Generator
Test (Overcharged
Battery Check) in
Section 1J”.
3DTC B1016 recheck
1) With ignition switch turned OFF, reconnect SDM
connector.
With ignition switch turned ON, is DTC B1016 still indicated?Substitute a known-
good SDM and recheck.Intermittent trouble.
Check for intermittent
trouble referring to
“Inspection of
Intermittent and Poor
Connections” If OK,
substitute a known-
good SDM and recheck.
“L04-27”
(A)
I7RW01822016-01
DTC detecting condition Trouble area
Power supply voltage is less than 7.2 V for more than 16
sec.• Charging system
•SDM
Page 1067 of 1556
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-28
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1021: Front Air Bag Deployment RecordS6RW0D8204014
DTC Detecting Condition and Trouble Area
NOTE
DTC B1201 can never be cleared once it has been set.
DTC TroubleshootingStep Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2SDM power supply and ground circuit check
1) Check SDM power supply and ground circuit referring to
“SDM Power Supply and Ground Circuit Check”.
Is SDM power supply and ground circuit in good condition?Go to Step 3. Repair defective wire
circuit.
3DTC B1017 recheck
1) With ignition switch turned OFF, reconnect SDM
connector.
With ignition switch ON, does DTC B1017 exist?Substitute a known-
good SDM and recheck.Intermittent trouble.
Check for intermittent
trouble referring to
“Inspection of
Intermittent and Poor
Connections” If OK,
substitute a known-
good SDM and recheck.
DTC detecting condition Trouble area
Deployment of front air bag has been recorded in SDM.If this DTC has been recorded even though air bag has
not been deployed
•SDM
• Driver and/or Passenger air bag module
• Those initiator circuit.
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Front air bag deployment check
1) Turn OFF ignition switch.
2) Check that DTC B1021 has been set although air bag
has not been deployed.
Has air bag deployed? Inspect and replace
components according
to “Repair and
Inspection Required
after Accident”.Go to Step 3.
3Front impact sign check
1) Inspect front of vehicle and undercarriage for signs of
impact.
Are there any signs of impact?Inspect and replace
components according
to “Repair and
Inspection Required
after Accident”.Replace SDM.
Page 1070 of 1556
Downloaded from www.Manualslib.com manuals search engine 8B-31 Air Bag System:
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
• Clear DTC B1157 (air bag deployed) of BCM referring to “DTC Clearance in Section 10B”, if any.
DTC B1031: Driver Air Bag Circuit High Resistance S6RW0D8204018
Wiring Diagram
DTC Detecting Condition and Trouble Area
“L04”“L04”[A]
BLK
L04-28
6 8
7
RED
GRN“L313”L04-27
910
L04-3 L04-4
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
12 [L04]
[G347]12 [L378]
15
13
16
12V5V30V 30V
141112
GRN/RED GRN/RED
GRN GRN
“G347” “S172” “L378” “G345”
1
2 BLKWHT3
4
5
I6RW0C820008-01
[A]: Shorting bar 6. Ignition switch 12. Driver air bag (inflator) module
1. Battery 7. “A/B” fuse 13. DC / DC converter
2. Fuse 8. Junction block assembly 14. Back up capacitor
3. Main fuse box 9. Ground for air bag system 15. Safing power driver
4. “IGN” fuse 10. SDM 16. Mechanical longitudinal G sensor (switch)
5. Individual circuit fuse box No.1 11. Contact coil assembly
DTC detecting condition Trouble area
Driver air bag circuit is more than 5.2 Ω for more than 4
sec.• Driver air bag circuit
• Contact coil assembly
• Driver air bag module
•SDM
Page 1074 of 1556
Downloaded from www.Manualslib.com manuals search engine 8B-35 Air Bag System:
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1033: Driver Air Bag Circuit Shorted to GroundS6RW0D8204020
Wiring Diagram
Refer to “DTC B1031: Driver Air Bag Circuit High Resistance”.
DTC Detecting Condition and Trouble Area4Floor harness resistance check
1) Disconnect “L378” connector located near the driver side
front pillar lower trim.
2) Check for proper connection to floor harness connector
at terminal in “L378” connector.
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
4) Measure resistance between “L378-1” and “L378-2”
terminals.
Is measured resistance infinity?Repair “GRN/RED”
circuit for short to “GRN”
circuit at instrument
panel harness.Repair “GRN/RED”
circuit for short to “GRN”
circuit at floor harness.
5Contact coil circuit check
1) Check contact coil circuit referring to “Contact Coil Cable
and Its Circuit Check”.
Is contact coil circuit in good condition?Replace driver air bag
(inflator) module
referring to “Driver Air
Bag (Inflator) Module
Removal and
Installation”.Replace contact coil
assembly referring to
“Contact Coil Cable
Assembly Removal and
Installation in Section
6B”. Step Action Yes No
“L04-4” “L04-3”
1,(A)
(A)
I7RW01821019-01
DTC detecting condition Trouble area
Driver air bag circuit has been shorted to ground for more
than 4 sec.• Driver air bag circuit
•SDM
Page 1076 of 1556
Downloaded from www.Manualslib.com manuals search engine 8B-37 Air Bag System:
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1034: Driver Air Bag Circuit Shorted to Power SupplyS6RW0D8204021
Wiring Diagram
Refer to “DTC B1031: Driver Air Bag Circuit High Resistance”.
DTC Detecting Condition and Trouble Area4Contact coil circuit check
1) Connect contact coil connector “G347” located under the
steering column.
2) Remove driver air bag (inflator) module from steering
column referring to “Driver Air Bag (Inflator) Module
Removal and Installation”.
3) Check for proper connection to driver air bag (inflator)
module at terminal in connector (2).
4) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
5) Measure resistance between each terminals of driver air
bag (inflator) module connector (2) and body ground.
Is each measured resistance infinity?Substitute a known-
good SDM and recheck.Replace contact coil
assembly referring to
“Contact Coil Cable
Assembly Removal and
Installation in Section
6B”. Step Action Yes No
“L04-4” “L04-3”
1,(A)
(A)
2
I7RW01821021-01
DTC detecting condition Trouble area
Driver air bag circuit has been shorted to power supply for
more than 4 sec.• Driver air bag circuit
•SDM
Page 1078 of 1556
Downloaded from www.Manualslib.com manuals search engine 8B-39 Air Bag System:
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
4Contact coil circuit check
1) Connect contact coil connector “G347” located under the
steering column.
2) Remove driver air bag (inflator) module from steering
column referring to “Driver Air Bag (Inflator) Module
Removal and Installation”.
3) Check for proper connection to driver air bag (inflator)
module at terminal in connector (2).
4) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
5) With ignition switch turned ON, measure voltage
between each terminals of driver air bag (inflator)
module connector (2) and body ground.
Is each measured voltage 0 V?Substitute a known-
good SDM and recheck.Replace contact coil
assembly referring to
“Contact Coil Cable
Assembly Removal and
Installation in Section
6B”. Step Action Yes No
“L04-4” “L04-3”
1,(A)
2
(A)
I7RW01821023-01
Page 1085 of 1556
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-46
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1044: Passenger Air Bag Circuit Shorted to Power SupplyS6RW0D8204025
Wiring Diagram
Refer to “DTC B1041: Passenger Air Bag Circuit High Resistance”.
DTC Detecting Condition and Trouble Area
DTC Troubleshooting3Floor harness circuit check
1) Disconnect “L377” connector located near the
passenger side front pillar lower trim.
2) Check for proper connection to floor harness connector
at terminal in “L377” connector.
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
4) Measure resistance between “L377-1” terminal and body
ground, and between “L377-2” terminal and body
ground.
Is each measured resistance infinity?Repair “BLU/RED”
circuit or “YEL/RED”
circuit for short to
ground at instrument
panel harness.Repair “BLU/RED”
circuit or “YEL/RED”
circuit for short to
ground at floor harness. Step Action Yes No
1, (A)
“L04-6” “L04-5”(A)
I7RW01822046-01
DTC detecting condition Trouble area
Passenger air bag circuit has been shorted to power
supply for more than 4 sec.• Passenger air bag circuit
•SDM
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
Page 1086 of 1556
Downloaded from www.Manualslib.com manuals search engine 8B-47 Air Bag System:
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
2Passenger air bag circuit check
1) Remove passenger air bag (inflator) module from
steering column referring to “Passenger Air Bag (Inflator)
Module Removal and Installation”.
2) Disconnect SDM connector “L04”.
3) Check for proper connection to SDM connector at
terminal “L04-5” and “L04-6”.
4) Check for proper connection to passenger air bag
(inflator) module at terminals in “G259” connector.
5) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
6) With ignition switch turned ON, measure voltage
between “L04-5” terminal and body ground, and
between “L04-6” terminal and body ground.
Is each measured voltage 0 V?Substitute a known-
good SDM and recheck.Go to Step 3.
3Floor harness circuit check
1) Disconnect “L377” connector located near the
passenger side front pillar lower trim.
2) Check for proper connection to floor harness connector
at terminal in “L377” connector.
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
4) With ignition switch turned ON, measure voltage
between “L377-1” terminal and body ground, and
between “L377-2” terminal and body ground.
Is each measured voltage 0 V?Repair “BLU/RED”
circuit or “YEL/RED”
circuit for short to power
supply circuit at
instrument panel
harness.Repair “BLU/RED”
circuit or “YEL/RED”
circuit for short to power
supply circuit at floor
harness. Step Action Yes No
1, (A)
“L04-6” “L04-5”(A)
I7RW01822047-01
1, (A)
“L04-6” “L04-5”(A)
I7RW01822047-01
Page 1091 of 1556
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-52
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1053 / B1057: Seat Belt Pretensioner Shorted to GroundS6RW0D8204028
DTC B1053: Driver Seat Belt Pretensioner Shorted to Ground
DTC B1057: Passenger Seat Belt Pretensioner Shorted to Ground
Wiring Diagram
Refer to “DTC B1051 / B1055: Seat Belt Pretensioner Circuit High Resistance”.
DTC Detecting Condition and Trouble Area3Seat belt pretensioner circuit resistance check
1) Disconnect special tools from applicable seat belt
pretensioner connector.
2) Disconnect SDM connector “L04”.
3) Check for proper connection to SDM at terminals “L04-7”
and “L04-8” (for DTC B1052) or terminals “L04-9” and
“L04-10” (for DTC B1056).
4) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
5) Measure resistance between “L04-7” and “L04-8” (for
DTC B1052) or between “L04-9” and “L04-10” (for DTC
B1056).
Is each measured resistance infinity?Substitute a known-
good SDM and recheck.Repair short wire in
defective circuit. Step Action Yes No
“L04-8” “L04-9” “L04-10” “L04-7”(A)
1,(A)
I7RW01822059-01
DTC detecting condition Trouble area
DTC B1053:
Driver seat belt pretensioner circuit has been shorted to
ground for more than 4 sec.
DTC B1057:
Passenger seat belt pretensioner circuit has been shorted
to ground for more than 4 sec.• Driver / passenger seat belt pretensioner circuit
•SDM
Page 1092 of 1556
Downloaded from www.Manualslib.com manuals search engine 8B-53 Air Bag System:
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Seat belt pretensioner circuit check
1) With ignition switch turned OFF, remove center pillar
lower trim of applicable side and disconnect applicable
seat belt pretensioner connector “L283” or “L285”.
2) Disconnect SDM connector “L04”.
3) Check for proper connection to applicable seat belt
pretensioner at terminals in “L283” or “L285”.
4) Check for proper connection to SDM at terminals “L04-7”
and “L04-8” (for DTC B1053) or terminals “L04-9” and
“L04-10” (for DTC B1057).
5) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
6) Measure resistance between “L04-7” and body ground,
and between “L04-8” and body ground (for DTC B1053).
7) Measure resistance between “L04-9” and body ground,
and between “L04-10” and body ground (for DTC
B1057).
Special tool
(A): 09932–76010
Is each measured resistance infinity?Substitute a known-
good SDM and recheck.Repair short to ground
in defective circuit.
“L04-8” “L04-9” “L04-10” “L04-7”
1,(A)
(A)
I7RW01822060-01